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Western Digital WD40EFRX Deal:

WD Red 4TB Internal Hard Drive for NAS (WD40EFRX)

(was $137.05)
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Walmart has the WD Red 4TB Internal Hard Drive for NAS (WD40EFRX) on sale for $115.65 when you choose store pickup.

Deal Notes: This match's Amazon's current and lowest price ever according to Camelcamelcamel. 3Cs hasn't updated their new low price yet but you can see that the old one was significantly higher.


  • Specifically designed for use in NAS systems with up to 8 bays
  • Tested for 24x7 reliability
  • NASware firmware for compatibility
  • Package includes a hard drive only - no screws, cables, manuals included.
  • 3-year limited warranty


Rated 4.5/5 stars with 4,036 customer reviews on Amazon.

The next lowest price from a rated merchant on Google Shopping is $118.99 from Best Buy. The next low after that is $137.62 from

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Some exclusions may apply based upon merchant policies.
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